Home / 30,617.37-42,249.08-17,186.00

Finding the Fourth Proportional to 30,617.37, 42,249.08 and 17,186.00

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Solution

The fourth proportional to 30,617.37, 42,249.08 and 17,186.00 is: 23,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.37 : 42,249.08 = 17,186.00 : x
  2. Step 2: Convert to fraction form
    30,617.37/42,249.08 = 17,186.00/x
  3. Step 3: Cross multiply
    30,617.37x = 42,249.08 × 17,186.00
  4. Step 4: Simplify right side
    30,617.37x = 726,092,391.70
  5. Step 5: Solve for x
    x = 726,092,391.70/30,617.37
  6. Step 6: Final answer
    x = 23,715.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.